public void OnScroll(AbsListView aView, int aFirstVisibleItem, int aVisibleItemCount, int aTotalItemCount)
{
lock (iLock)
{
iVisibleScrollRange = new ScrollRange(aFirstVisibleItem, aFirstVisibleItem + aVisibleItemCount);
}
}
/// <summary>
/// Default Constructor
/// </summary>
public ZeeGraphControl()
{
_dragPane = null;
InitializeComponent();
// Use double-buffering for flicker-free updating:
SetStyle(ControlStyles.UserPaint |
ControlStyles.AllPaintingInWmPaint |
ControlStyles.DoubleBuffer |
ControlStyles.ResizeRedraw, true);
SetStyle(ControlStyles.SupportsTransparentBackColor, true);
_resourceManager = new ResourceManager("ZeeGraph.ZeeGraphLocale",
Assembly.GetExecutingAssembly());
Rectangle rect = new Rectangle(0, 0, Size.Width, Size.Height);
_masterPane = new MasterPane("", rect);
_masterPane.Margin.All = 0;
_masterPane.Title.IsVisible = false;
string titleStr = _resourceManager.GetString("title_def");
string xStr = _resourceManager.GetString("x_title_def");
string yStr = _resourceManager.GetString("y_title_def");
GraphPane graphPane = new GraphPane(rect, titleStr, xStr, yStr);
using (Graphics g = CreateGraphics())
{
graphPane.AxisChange(g);
//g.Dispose();
}
_masterPane.Add(graphPane);
hScrollBar1.Minimum = 0;
hScrollBar1.Maximum = 100;
hScrollBar1.Value = 0;
vScrollBar1.Minimum = 0;
vScrollBar1.Maximum = 100;
vScrollBar1.Value = 0;
_xScrollRange = new ScrollRange(true);
_yScrollRangeList = new ScrollRangeList();
_y2ScrollRangeList = new ScrollRangeList();
_yScrollRangeList.Add(new ScrollRange(true));
_y2ScrollRangeList.Add(new ScrollRange(false));
_zoomState = null;
_zoomStateStack = new ZoomStateStack();
}
/// <summary>
/// Sets the value of the scroll range properties (see <see cref="ScrollMinX" />,
/// <see cref="ScrollMaxX" />, <see cref="YScrollRangeList" />, and
/// <see cref="Y2ScrollRangeList" /> based on the actual range of the data for
/// each corresponding <see cref="Axis" />.
/// </summary>
/// <remarks>
/// This method is called automatically by <see cref="AxisChange" /> if
/// <see cref="IsAutoScrollRange" />
/// is true. Note that this will not be called if you call AxisChange directly from the
/// <see cref="GraphPane" />. For example, zedGraphControl1.AxisChange() works properly, but
/// zedGraphControl1.GraphPane.AxisChange() does not.</remarks>
public void SetScrollRangeFromData()
{
if (this.GraphPane != null)
{
double grace = CalcScrollGrace(this.GraphPane.XAxis.Scale._rangeMin,
this.GraphPane.XAxis.Scale._rangeMax);
_xScrollRange.Min = this.GraphPane.XAxis.Scale._rangeMin - grace;
_xScrollRange.Max = this.GraphPane.XAxis.Scale._rangeMax + grace;
_xScrollRange.IsScrollable = true;
for (int i = 0; i < this.GraphPane.YAxisList.Count; i++)
{
Axis axis = this.GraphPane.YAxisList[i];
grace = CalcScrollGrace(axis.Scale._rangeMin, axis.Scale._rangeMax);
ScrollRange range = new ScrollRange(axis.Scale._rangeMin - grace,
axis.Scale._rangeMax + grace, _yScrollRangeList[i].IsScrollable);
if (i >= _yScrollRangeList.Count)
{
_yScrollRangeList.Add(range);
}
else
{
_yScrollRangeList[i] = range;
}
}
for (int i = 0; i < this.GraphPane.Y2AxisList.Count; i++)
{
Axis axis = this.GraphPane.Y2AxisList[i];
grace = CalcScrollGrace(axis.Scale._rangeMin, axis.Scale._rangeMax);
ScrollRange range = new ScrollRange(axis.Scale._rangeMin - grace,
axis.Scale._rangeMax + grace, _y2ScrollRangeList[i].IsScrollable);
if (i >= _y2ScrollRangeList.Count)
{
_y2ScrollRangeList.Add(range);
}
else
{
_y2ScrollRangeList[i] = range;
}
}
//this.GraphPane.CurveList.GetRange( out scrollMinX, out scrollMaxX,
// out scrollMinY, out scrollMaxY, out scrollMinY2, out scrollMaxY2, false, false,
// this.GraphPane );
}
}
/// <summary>
/// Sets the value of the scroll range properties (see <see cref="ScrollMinX" />,
/// <see cref="ScrollMaxX" />, <see cref="YScrollRangeList" />, and
/// <see cref="Y2ScrollRangeList" /> based on the actual range of the data for
/// each corresponding <see cref="Axis" />.
/// </summary>
/// <remarks>
/// This method is called automatically by <see cref="AxisChange" /> if
/// <see cref="IsAutoScrollRange" />
/// is true. Note that this will not be called if you call AxisChange directly from the
/// <see cref="GraphPane" />. For example, zedGraphControl1.AxisChange() works properly, but
/// zedGraphControl1.GraphPane.AxisChange() does not.</remarks>
public void SetScrollRangeFromData()
{
if ( this.GraphPane != null )
{
double grace = CalcScrollGrace( this.GraphPane.XAxis.Scale._rangeMin,
this.GraphPane.XAxis.Scale._rangeMax );
_xScrollRange.Min = this.GraphPane.XAxis.Scale._rangeMin - grace;
_xScrollRange.Max = this.GraphPane.XAxis.Scale._rangeMax + grace;
_xScrollRange.IsScrollable = true;
for ( int i = 0; i < this.GraphPane.YAxisList.Count; i++ )
{
Axis axis = this.GraphPane.YAxisList[i];
grace = CalcScrollGrace( axis.Scale._rangeMin, axis.Scale._rangeMax );
ScrollRange range = new ScrollRange( axis.Scale._rangeMin - grace,
axis.Scale._rangeMax + grace, _yScrollRangeList[i].IsScrollable );
if ( i >= _yScrollRangeList.Count )
_yScrollRangeList.Add( range );
else
_yScrollRangeList[i] = range;
}
for ( int i = 0; i < this.GraphPane.Y2AxisList.Count; i++ )
{
Axis axis = this.GraphPane.Y2AxisList[i];
grace = CalcScrollGrace( axis.Scale._rangeMin, axis.Scale._rangeMax );
ScrollRange range = new ScrollRange( axis.Scale._rangeMin - grace,
axis.Scale._rangeMax + grace, _y2ScrollRangeList[i].IsScrollable );
if ( i >= _y2ScrollRangeList.Count )
_y2ScrollRangeList.Add( range );
else
_y2ScrollRangeList[i] = range;
}
//this.GraphPane.CurveList.GetRange( out scrollMinX, out scrollMaxX,
// out scrollMinY, out scrollMaxY, out scrollMinY2, out scrollMaxY2, false, false,
// this.GraphPane );
}
}
private void vScrollBar1_Scroll(object sender, ScrollEventArgs e)
{
if (this.GraphPane != null)
{
if ((e.Type != ScrollEventType.ThumbPosition &&
e.Type != ScrollEventType.ThumbTrack) ||
(e.Type == ScrollEventType.ThumbTrack &&
_zoomState == null))
{
ZoomStateSave(this.GraphPane, ZoomState.StateType.Scroll);
}
for (int i = 0; i < this.GraphPane.YAxisList.Count; i++)
{
ScrollRange scroll = _yScrollRangeList[i];
if (scroll.IsScrollable)
{
Axis axis = this.GraphPane.YAxisList[i];
HandleScroll(axis, e.NewValue, scroll.Min, scroll.Max, vScrollBar1.LargeChange,
!axis.Scale.IsReverse);
}
}
for (int i = 0; i < this.GraphPane.Y2AxisList.Count; i++)
{
ScrollRange scroll = _y2ScrollRangeList[i];
if (scroll.IsScrollable)
{
Axis axis = this.GraphPane.Y2AxisList[i];
HandleScroll(axis, e.NewValue, scroll.Min, scroll.Max, vScrollBar1.LargeChange,
!axis.Scale.IsReverse);
}
}
ApplyToAllPanes(this.GraphPane);
ProcessEventStuff(vScrollBar1, e);
}
}
/// <summary>
/// The Copy Constructor
/// </summary>
/// <param name="rhs">The <see cref="ScrollRange"/> object from which to copy</param>
public ScrollRange(ScrollRange rhs)
{
_min = rhs._min;
_max = rhs._max;
_isScrollable = rhs._isScrollable;
}
/// <summary>
/// Default Constructor
/// </summary>
public ZeeGraphControl()
{
_dragPane = null;
InitializeComponent();
// Use double-buffering for flicker-free updating:
SetStyle(ControlStyles.UserPaint |
ControlStyles.AllPaintingInWmPaint |
ControlStyles.DoubleBuffer |
ControlStyles.ResizeRedraw, true);
SetStyle(ControlStyles.SupportsTransparentBackColor, true);
_resourceManager = new ResourceManager("ZeeGraph.ZeeGraphLocale",
Assembly.GetExecutingAssembly());
Rectangle rect = new Rectangle(0, 0, Size.Width, Size.Height);
_masterPane = new MasterPane("", rect);
_masterPane.Margin.All = 0;
_masterPane.Title.IsVisible = false;
string titleStr = _resourceManager.GetString("title_def");
string xStr = _resourceManager.GetString("x_title_def");
string yStr = _resourceManager.GetString("y_title_def");
GraphPane graphPane = new GraphPane(rect, titleStr, xStr, yStr);
using (Graphics g = CreateGraphics())
{
graphPane.AxisChange(g);
//g.Dispose();
}
_masterPane.Add(graphPane);
hScrollBar1.Minimum = 0;
hScrollBar1.Maximum = 100;
hScrollBar1.Value = 0;
vScrollBar1.Minimum = 0;
vScrollBar1.Maximum = 100;
vScrollBar1.Value = 0;
_xScrollRange = new ScrollRange(true);
_yScrollRangeList = new ScrollRangeList();
_y2ScrollRangeList = new ScrollRangeList();
_yScrollRangeList.Add(new ScrollRange(true));
_y2ScrollRangeList.Add(new ScrollRange(false));
_zoomState = null;
_zoomStateStack = new ZoomStateStack();
}
/// <summary>
/// The Copy Constructor
/// </summary>
/// <param name="rhs">The <see c_ref="ScrollRange"/> object from which to copy</param>
public ScrollRange( ScrollRange rhs )
{
_min = rhs._min;
_max = rhs._max;
_isScrollable = rhs._isScrollable;
}
/// <summary>
/// Initializes a new instance of the <see cref="ScrollRange"/> struct.
/// The Copy Constructor
/// </summary>
/// <param name="rhs">
/// The <see cref="ScrollRange"/> object from which to copy
/// </param>
public ScrollRange(ScrollRange rhs)
{
this._min = rhs._min;
this._max = rhs._max;
this._isScrollable = rhs._isScrollable;
}
